64711213

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{857}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 79814592

約数和(自身を除く): 15103379

約数列:

[1, 7, 23, 49, 67, 161, 469, 857, 1127, 1541, 3283, 5999, 10787, 19711, 41993, 57419, 75509, 137977, 401933, 965839, 1320637, 2813531, 9244459, 64711213]

約数ペア:

[(1, 64711213), (7, 9244459), (23, 2813531), (49, 1320637), (67, 965839), (161, 401933), (469, 137977), (857, 75509), (1127, 57419), (1541, 41993), (3283, 19711), (5999, 10787)]